CAS号:596-01-0
品名:1-萘酚酞alpha-Naphtholphthalein
中文别名:3,3'-双(4-羟基-1-萘基)-1(3H)-异苯并呋喃酮;α-萘酚酞;甲萘酚酞;α-萘酚酞,1-萘酚夫酞,3,3-双(4-羟基-1-萘基)苯酞;3,3-双(4-羟基-1-萘基)苯酞;
英文别名:3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one;
分子式:C28H18O4
分子量:418.44
精确质量:418.121
Psa:66.76
UNII号:2QEG1706NN
外观与性状:灰色至棕色固体
密度:1.404 g/cm3
沸点:705.6ºC at 760 mmHg
熔点:238-240°C(lit.)
闪点:247ºC
折射率:1.769
稳定性:Stable under normal temperatures and pressures.
储存条件:Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
安全说明:S26-S36
危险类别码:R36/37/38
WGK Germany:3
海关编码:32041900
危险品标志:Xi
简介:α-Naphtholphthalein(C28H18O4)isapHindicatorwithavisualtransitionfromcolorless/reddishtogreenish/blueatpH7.3–8.7.
用途:1.用作酸碱指示剂,PH值6.7左右时为无色~桔黄色,PH值7.9左右时由橘黄变为蓝色。
有机砌块